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24 KiB
JavaScript

var host = host || {};
const electron = require('electron');
const fs = require('fs');
const http = require('http');
const https = require('https');
const process = require('process');
const path = require('path');
const querystring = require('querystring');
host.ElectronHost = class {
constructor() {
process.on('uncaughtException', (err) => {
this.exception(err, true);
});
this._document = window.document;
this._window = window;
this._window.eval = global.eval = () => {
throw new Error('window.eval() not supported.');
};
this._window.addEventListener('unload', () => {
if (typeof __coverage__ !== 'undefined') {
const file = path.join('.nyc_output', path.basename(window.location.pathname, '.html')) + '.json';
/* eslint-disable no-undef */
fs.writeFileSync(file, JSON.stringify(__coverage__));
/* eslint-enable no-undef */
}
});
this._environment = electron.ipcRenderer.sendSync('get-environment', {});
this._queue = [];
}
get window() {
return this._window;
}
get document() {
return this._document;
}
get version() {
return this._environment.version;
}
get type() {
return 'Electron';
}
get agent() {
return 'any';
}
initialize(view) {
this._view = view;
electron.ipcRenderer.on('open', (_, data) => {
this._openPath(data.path);
});
return new Promise((resolve /*, reject */) => {
const accept = () => {
if (this._environment.package) {
this._telemetry = new host.Telemetry('UA-54146-13', this._getConfiguration('userId'), navigator.userAgent, this.type, this.version);
}
resolve();
};
const request = () => {
this._view.show('welcome consent');
const acceptButton = this.document.getElementById('consent-accept-button');
if (acceptButton) {
acceptButton.addEventListener('click', () => {
this._setConfiguration('consent', Date.now());
accept();
});
}
};
const time = this._getConfiguration('consent');
if (time && (Date.now() - time) < 30 * 24 * 60 * 60 * 1000) {
accept();
}
else {
this._request('https://ipinfo.io/json', { 'Content-Type': 'application/json' }, 2000).then((text) => {
try {
const json = JSON.parse(text);
const countries = ['AT', 'BE', 'BG', 'HR', 'CZ', 'CY', 'DK', 'EE', 'FI', 'FR', 'DE', 'EL', 'HU', 'IE', 'IT', 'LV', 'LT', 'LU', 'MT', 'NL', 'NO', 'PL', 'PT', 'SK', 'ES', 'SE', 'GB', 'UK', 'GR', 'EU', 'RO'];
if (json && json.country && !countries.indexOf(json.country) !== -1) {
this._setConfiguration('consent', Date.now());
accept();
}
else {
request();
}
}
catch (err) {
request();
}
}).catch(() => {
request();
});
}
});
}
start() {
if (this._queue) {
const queue = this._queue;
delete this._queue;
if (queue.length > 0) {
const path = queue.pop();
this._openPath(path);
}
}
electron.ipcRenderer.on('export', (_, data) => {
this._view.export(data.file);
});
electron.ipcRenderer.on('cut', () => {
this._view.cut();
});
electron.ipcRenderer.on('copy', () => {
this._view.copy();
});
electron.ipcRenderer.on('paste', () => {
this._view.paste();
});
electron.ipcRenderer.on('selectall', () => {
this._view.selectAll();
});
electron.ipcRenderer.on('toggle', (sender, name) => {
this._view.toggle(name);
this._update(Object.assign({}, this._view.options));
});
electron.ipcRenderer.on('zoom-in', () => {
this.document.getElementById('zoom-in-button').click();
});
electron.ipcRenderer.on('zoom-out', () => {
this.document.getElementById('zoom-out-button').click();
});
electron.ipcRenderer.on('reset-zoom', () => {
this._view.resetZoom();
});
electron.ipcRenderer.on('show-properties', () => {
this.document.getElementById('menu-button').click();
});
electron.ipcRenderer.on('find', () => {
this._view.find();
});
this.document.getElementById('menu-button').addEventListener('click', () => {
this._view.showModelProperties();
});
const openFileButton = this.document.getElementById('open-file-button');
if (openFileButton) {
openFileButton.style.opacity = 1;
openFileButton.addEventListener('click', () => {
electron.ipcRenderer.send('open-file-dialog', {});
});
}
const githubButton = this.document.getElementById('github-button');
const githubLink = this.document.getElementById('logo-github');
if (githubButton && githubLink) {
githubButton.style.opacity = 1;
githubButton.addEventListener('click', () => {
this.openURL(githubLink.href);
});
}
this.document.addEventListener('dragover', (e) => {
e.preventDefault();
});
this.document.addEventListener('drop', (e) => {
e.preventDefault();
});
this.document.body.addEventListener('drop', (e) => {
e.preventDefault();
const paths = Array.from(e.dataTransfer.files).map(((file) => file.path));
if (paths.length > 0) {
electron.ipcRenderer.send('drop-paths', { paths: paths });
}
return false;
});
this._view.show('welcome');
}
environment(name) {
return this._environment[name];
}
error(message, detail) {
electron.ipcRenderer.sendSync('show-message-box', {
type: 'error',
message: message,
detail: detail,
});
}
confirm(message, detail) {
const result = electron.ipcRenderer.sendSync('show-message-box', {
type: 'question',
message: message,
detail: detail,
buttons: ['Yes', 'No'],
defaultId: 0,
cancelId: 1
});
return result === 0;
}
require(id) {
try {
return Promise.resolve(require(id));
}
catch (error) {
return Promise.reject(error);
}
}
save(name, extension, defaultPath, callback) {
const selectedFile = electron.ipcRenderer.sendSync('show-save-dialog', {
title: 'Export Tensor',
defaultPath: defaultPath,
buttonLabel: 'Export',
filters: [ { name: name, extensions: [ extension ] } ]
});
if (selectedFile) {
callback(selectedFile);
}
}
export(file, blob) {
const reader = new FileReader();
reader.onload = (e) => {
const data = new Uint8Array(e.target.result);
fs.writeFile(file, data, null, (err) => {
if (err) {
this.exception(err, false);
this.error('Error writing file.', err.message);
}
});
};
let err = null;
if (!blob) {
err = new Error("Export blob is '" + JSON.stringify(blob) + "'.");
}
else if (!(blob instanceof Blob)) {
err = new Error("Export blob type is '" + (typeof blob) + "'.");
}
if (err) {
this.exception(err, false);
this.error('Error exporting image.', err.message);
}
else {
reader.readAsArrayBuffer(blob);
}
}
request(file, encoding, base) {
return new Promise((resolve, reject) => {
const pathname = path.join(base || __dirname, file);
fs.stat(pathname, (err, stat) => {
if (err && err.code === 'ENOENT') {
reject(new Error("The file '" + file + "' does not exist."));
}
else if (err) {
reject(err);
}
else if (!stat.isFile()) {
reject(new Error("The path '" + file + "' is not a file."));
}
else if (stat && stat.size < 0x7ffff000) {
fs.readFile(pathname, encoding, (err, data) => {
if (err) {
reject(err);
}
else {
resolve(encoding ? data : new host.ElectronHost.BinaryStream(data));
}
});
}
else if (encoding) {
reject(new Error("The file '" + file + "' size (" + stat.size.toString() + ") for encoding '" + encoding + "' is greater than 2 GB."));
}
else {
resolve(new host.ElectronHost.FileStream(pathname, 0, stat.size, stat.mtimeMs));
}
});
});
}
openURL(url) {
electron.shell.openExternal(url);
}
exception(error, fatal) {
if (this._telemetry && error && error.telemetry !== false) {
try {
const name = error && error.name ? error.name + ': ' : '';
const message = error && error.message ? error.message : '(null)';
const description = [ name + message ];
if (error.stack) {
const format = (file, line, column) => {
return file.split('\\').join('/').split('/').pop() + ':' + line + ':' + column;
};
const match = error.stack.match(/\n {4}at (.*) \((.*):(\d*):(\d*)\)/);
if (match) {
description.push(match[1] + ' (' + format(match[2], match[3], match[4]) + ')');
}
else {
const match = error.stack.match(/\n {4}at (.*):(\d*):(\d*)/);
if (match) {
description.push('(' + format(match[1], match[2], match[3]) + ')');
}
}
}
this._telemetry.exception(description.join(' @ '), fatal);
}
catch (e) {
// continue regardless of error
}
}
}
screen(name) {
if (this._telemetry) {
try {
this._telemetry.screenview(name);
}
catch (e) {
// continue regardless of error
}
}
}
event(category, action, label, value) {
if (this._telemetry) {
try {
this._telemetry.event(category, action, label, value);
}
catch (e) {
// continue regardless of error
}
}
}
_context(location) {
const basename = path.basename(location);
const stat = fs.statSync(location);
if (stat.isFile()) {
const dirname = path.dirname(location);
return this.request(basename, null, dirname).then((stream) => {
return new host.ElectronHost.ElectronContext(this, dirname, basename, stream);
});
}
else if (stat.isDirectory()) {
const entries = new Map();
const walk = (dir) => {
for (const item of fs.readdirSync(dir)) {
const pathname = path.join(dir, item);
const stat = fs.statSync(pathname);
if (stat.isDirectory()) {
walk(pathname);
}
else if (stat.isFile()) {
const stream = new host.ElectronHost.FileStream(pathname, 0, stat.size, stat.mtimeMs);
const name = pathname.split(path.sep).join(path.posix.sep);
entries.set(name, stream);
}
}
};
walk(location);
return Promise.resolve(new host.ElectronHost.ElectronContext(this, location, basename, null, entries));
}
throw new Error("Unsupported path stat '" + JSON.stringify(stat) + "'.");
}
_openPath(path) {
if (this._queue) {
this._queue.push(path);
return;
}
if (path && this._view.accept(path)) {
this._view.show('welcome spinner');
this._context(path).then((context) => {
this._view.open(context).then((model) => {
this._view.show(null);
const options = Object.assign({}, this._view.options);
if (model) {
options.path = path;
}
this._update(options);
}).catch((error) => {
const options = Object.assign({}, this._view.options);
if (error) {
this._view.error(error, null, null);
options.path = null;
}
this._update(options);
});
}).catch((error) => {
this._view.error(error, 'Error while reading file.', null);
this._update({ path: null });
});
}
}
_request(location, headers, timeout) {
return new Promise((resolve, reject) => {
const url = new URL(location);
const protocol = url.protocol === 'https:' ? https : http;
const options = {};
options.headers = headers;
if (timeout) {
options.timeout = timeout;
}
const request = protocol.request(location, options, (response) => {
if (response.statusCode !== 200) {
const err = new Error("The web request failed with status code " + response.statusCode + " at '" + location + "'.");
err.type = 'error';
err.url = location;
err.status = response.statusCode;
reject(err);
}
else {
let data = '';
response.on('data', (chunk) => {
data += chunk;
});
response.on('err', (err) => {
reject(err);
});
response.on('end', () => {
resolve(data);
});
}
});
request.on("error", (err) => {
reject(err);
});
request.on("timeout", () => {
request.destroy();
const error = new Error("The web request timed out at '" + location + "'.");
error.type = 'timeout';
error.url = url;
reject(error);
});
request.end();
});
}
_getConfiguration(name) {
return electron.ipcRenderer.sendSync('get-configuration', { name: name });
}
_setConfiguration(name, value) {
electron.ipcRenderer.sendSync('set-configuration', { name: name, value: value });
}
_update(data) {
electron.ipcRenderer.send('update', data);
}
};
host.Telemetry = class {
constructor(trackingId, clientId, userAgent, applicationName, applicationVersion) {
this._params = {
aip: '1', // anonymizeIp
tid: trackingId,
cid: clientId,
ua: userAgent,
an: applicationName,
av: applicationVersion
};
}
screenview(screenName) {
const params = Object.assign({}, this._params);
params.cd = screenName;
this._send('screenview', params);
}
event(category, action, label, value) {
const params = Object.assign({}, this._params);
params.ec = category;
params.ea = action;
params.el = label;
params.ev = value;
this._send('event', params);
}
exception(description, fatal) {
const params = Object.assign({}, this._params);
params.exd = description;
if (fatal) {
params.exf = '1';
}
this._send('exception', params);
}
_send(type, params) {
params.t = type;
params.v = '1';
for (const param in params) {
if (params[param] === null || params[param] === undefined) {
delete params[param];
}
}
const body = querystring.stringify(params);
const options = {
method: 'POST',
host: 'www.google-analytics.com',
path: '/collect',
headers: { 'Content-Length': Buffer.byteLength(body) }
};
const request = https.request(options, (response) => {
response.on('error', (/* error */) => {});
});
request.setTimeout(5000, () => {
request.destroy();
});
request.on('error', (/* error */) => {});
request.write(body);
request.end();
}
};
host.ElectronHost.BinaryStream = class {
constructor(buffer) {
this._buffer = buffer;
this._length = buffer.length;
this._position = 0;
}
get position() {
return this._position;
}
get length() {
return this._length;
}
stream(length) {
const buffer = this.read(length);
return new host.ElectronHost.BinaryStream(buffer.slice(0));
}
seek(position) {
this._position = position >= 0 ? position : this._length + position;
if (this._position > this._buffer.length) {
throw new Error('Expected ' + (this._position - this._buffer.length) + ' more bytes. The file might be corrupted. Unexpected end of file.');
}
}
skip(offset) {
this._position += offset;
if (this._position > this._buffer.length) {
throw new Error('Expected ' + (this._position - this._buffer.length) + ' more bytes. The file might be corrupted. Unexpected end of file.');
}
}
peek(length) {
if (this._position === 0 && length === undefined) {
return this._buffer;
}
const position = this._position;
this.skip(length !== undefined ? length : this._length - this._position);
const end = this._position;
this.seek(position);
return this._buffer.subarray(position, end);
}
read(length) {
if (this._position === 0 && length === undefined) {
this._position = this._length;
return this._buffer;
}
const position = this._position;
this.skip(length !== undefined ? length : this._length - this._position);
return this._buffer.subarray(position, this._position);
}
byte() {
const position = this._position;
this.skip(1);
return this._buffer[position];
}
};
host.ElectronHost.FileStream = class {
constructor(file, start, length, mtime) {
this._file = file;
this._start = start;
this._length = length;
this._position = 0;
this._mtime = mtime;
}
get position() {
return this._position;
}
get length() {
return this._length;
}
stream(length) {
const file = new host.ElectronHost.FileStream(this._file, this._position, length, this._mtime);
this.skip(length);
return file;
}
seek(position) {
this._position = position >= 0 ? position : this._length + position;
}
skip(offset) {
this._position += offset;
if (this._position > this._length) {
throw new Error('Expected ' + (this._position - this._length) + ' more bytes. The file might be corrupted. Unexpected end of file.');
}
}
peek(length) {
length = length !== undefined ? length : this._length - this._position;
if (length < 0x10000000) {
const position = this._fill(length);
this._position -= length;
return this._buffer.subarray(position, position + length);
}
const position = this._position;
this.skip(length);
this.seek(position);
const buffer = new Uint8Array(length);
this._read(buffer, position);
return buffer;
}
read(length) {
length = length !== undefined ? length : this._length - this._position;
if (length < 0x10000000) {
const position = this._fill(length);
return this._buffer.subarray(position, position + length);
}
const position = this._position;
this.skip(length);
const buffer = new Uint8Array(length);
this._read(buffer, position);
return buffer;
}
byte() {
const position = this._fill(1);
return this._buffer[position];
}
_fill(length) {
if (this._position + length > this._length) {
throw new Error('Expected ' + (this._position + length - this._length) + ' more bytes. The file might be corrupted. Unexpected end of file.');
}
if (!this._buffer || this._position < this._offset || this._position + length > this._offset + this._buffer.length) {
this._offset = this._position;
this._buffer = new Uint8Array(Math.min(0x10000000, this._length - this._offset));
this._read(this._buffer, this._offset);
}
const position = this._position;
this._position += length;
return position - this._offset;
}
_read(buffer, offset) {
const descriptor = fs.openSync(this._file, 'r');
const stat = fs.statSync(this._file);
if (stat.mtimeMs != this._mtime) {
throw new Error("File '" + this._file + "' last modified time changed.");
}
try {
fs.readSync(descriptor, buffer, 0, buffer.length, offset + this._start);
}
finally {
fs.closeSync(descriptor);
}
}
};
host.ElectronHost.ElectronHost = class {
constructor(host, folder, identifier, stream, entries) {
this._host = host;
this._folder = folder;
this._identifier = identifier;
this._stream = stream;
this._entries = entries || new Map();
}
get identifier() {
return this._identifier;
}
get stream() {
return this._stream;
}
get entries() {
return this._entries;
}
request(file, encoding, base) {
return this._host.request(file, encoding, base === undefined ? this._folder : base);
}
require(id) {
return this._host.require(id);
}
exception(error, fatal) {
this._host.exception(error, fatal);
}
};
window.addEventListener('load', () => {
global.protobuf = require('./protobuf');
global.flatbuffers = require('./flatbuffers');
const view = require('./view');
window.__view__ = new view.View(new host.ElectronHost());
});